PLZ!!! HELP ME! MULTIPLE CHOICE chemistry?

Question

Antifreeze is added to water in car radiators to..a) lower the freezing point of the water..b) raise the melting point of the water..c) lower the boiling point of the water..d) all the above

molarity is moles of solute per..a) liter of solvent..b) liter of solution..c) kilogram of solvent..d) kilogram of solution

salt is spread on icy streets to..a) make the ice melt at a lower temp..b) corrode the bottoms of cars carelessly driven on icy streets..c) raise the freezing point of the ice..d)all the above

an alloy is an example of a..a)liquid solution..b) gaseous solution..c) solid solution..d) immiscible solution

Answer 1

for the second ?,, its b

Answer 2

a

b

a

c